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38 #include <sys/types.h>
40 #include <sys/queue.h>
47 #include <rte_common.h>
49 #include <rte_byteorder.h>
51 #include <rte_memory.h>
52 #include <rte_memcpy.h>
53 #include <rte_memzone.h>
55 #include <rte_per_lcore.h>
56 #include <rte_launch.h>
57 #include <rte_atomic.h>
58 #include <rte_cycles.h>
59 #include <rte_prefetch.h>
60 #include <rte_lcore.h>
61 #include <rte_per_lcore.h>
62 #include <rte_branch_prediction.h>
63 #include <rte_interrupts.h>
65 #include <rte_random.h>
66 #include <rte_debug.h>
67 #include <rte_ether.h>
68 #include <rte_ethdev.h>
70 #include <rte_mempool.h>
75 #include <rte_string_fns.h>
77 #include <cmdline_parse.h>
78 #include <cmdline_parse_etheraddr.h>
80 static volatile bool force_quit;
82 #define APP_LOOKUP_EXACT_MATCH 0
83 #define APP_LOOKUP_LPM 1
84 #define DO_RFC_1812_CHECKS
86 #ifndef APP_LOOKUP_METHOD
87 #define APP_LOOKUP_METHOD APP_LOOKUP_LPM
91 * When set to zero, simple forwaring path is eanbled.
92 * When set to one, optimized forwarding path is enabled.
93 * Note that LPM optimisation path uses SSE4.1 instructions.
95 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && !defined(__SSE4_1__))
96 #define ENABLE_MULTI_BUFFER_OPTIMIZE 0
98 #define ENABLE_MULTI_BUFFER_OPTIMIZE 1
101 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
102 #include <rte_hash.h>
103 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
105 #include <rte_lpm6.h>
107 #error "APP_LOOKUP_METHOD set to incorrect value"
111 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
112 "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
113 #define IPv6_BYTES(addr) \
114 addr[0], addr[1], addr[2], addr[3], \
115 addr[4], addr[5], addr[6], addr[7], \
116 addr[8], addr[9], addr[10], addr[11],\
117 addr[12], addr[13],addr[14], addr[15]
121 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
123 #define MAX_JUMBO_PKT_LEN 9600
125 #define IPV6_ADDR_LEN 16
127 #define MEMPOOL_CACHE_SIZE 256
130 * This expression is used to calculate the number of mbufs needed depending on user input, taking
131 * into account memory for rx and tx hardware rings, cache per lcore and mtable per port per lcore.
132 * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum value of 8192
135 #define NB_MBUF RTE_MAX ( \
136 (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
137 nb_ports*nb_lcores*MAX_PKT_BURST + \
138 nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
139 nb_lcores*MEMPOOL_CACHE_SIZE), \
142 #define MAX_PKT_BURST 32
143 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
146 * Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send.
148 #define MAX_TX_BURST (MAX_PKT_BURST / 2)
152 /* Configure how many packets ahead to prefetch, when reading packets */
153 #define PREFETCH_OFFSET 3
155 /* Used to mark destination port as 'invalid'. */
156 #define BAD_PORT ((uint16_t)-1)
161 * Configurable number of RX/TX ring descriptors
163 #define RTE_TEST_RX_DESC_DEFAULT 128
164 #define RTE_TEST_TX_DESC_DEFAULT 512
165 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
166 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
168 /* ethernet addresses of ports */
169 static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
170 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
172 static __m128i val_eth[RTE_MAX_ETHPORTS];
174 /* replace first 12B of the ethernet header. */
175 #define MASK_ETH 0x3f
177 /* mask of enabled ports */
178 static uint32_t enabled_port_mask = 0;
179 static int promiscuous_on = 0; /**< Ports set in promiscuous mode off by default. */
180 static int numa_on = 1; /**< NUMA is enabled by default. */
182 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
183 static int ipv6 = 0; /**< ipv6 is false by default. */
188 struct rte_mbuf *m_table[MAX_PKT_BURST];
191 struct lcore_rx_queue {
194 } __rte_cache_aligned;
196 #define MAX_RX_QUEUE_PER_LCORE 16
197 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
198 #define MAX_RX_QUEUE_PER_PORT 128
200 #define MAX_LCORE_PARAMS 1024
201 struct lcore_params {
205 } __rte_cache_aligned;
207 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
208 static struct lcore_params lcore_params_array_default[] = {
220 static struct lcore_params * lcore_params = lcore_params_array_default;
221 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
222 sizeof(lcore_params_array_default[0]);
224 static struct rte_eth_conf port_conf = {
226 .mq_mode = ETH_MQ_RX_RSS,
227 .max_rx_pkt_len = ETHER_MAX_LEN,
229 .header_split = 0, /**< Header Split disabled */
230 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
231 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
232 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
233 .hw_strip_crc = 0, /**< CRC stripped by hardware */
238 .rss_hf = ETH_RSS_IP,
242 .mq_mode = ETH_MQ_TX_NONE,
246 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
248 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
250 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
251 #include <rte_hash_crc.h>
252 #define DEFAULT_HASH_FUNC rte_hash_crc
254 #include <rte_jhash.h>
255 #define DEFAULT_HASH_FUNC rte_jhash
264 } __attribute__((__packed__));
266 union ipv4_5tuple_host {
279 #define XMM_NUM_IN_IPV6_5TUPLE 3
282 uint8_t ip_dst[IPV6_ADDR_LEN];
283 uint8_t ip_src[IPV6_ADDR_LEN];
287 } __attribute__((__packed__));
289 union ipv6_5tuple_host {
294 uint8_t ip_src[IPV6_ADDR_LEN];
295 uint8_t ip_dst[IPV6_ADDR_LEN];
300 __m128i xmm[XMM_NUM_IN_IPV6_5TUPLE];
303 struct ipv4_l3fwd_route {
304 struct ipv4_5tuple key;
308 struct ipv6_l3fwd_route {
309 struct ipv6_5tuple key;
313 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
314 {{IPv4(101,0,0,0), IPv4(100,10,0,1), 101, 11, IPPROTO_TCP}, 0},
315 {{IPv4(201,0,0,0), IPv4(200,20,0,1), 102, 12, IPPROTO_TCP}, 1},
316 {{IPv4(111,0,0,0), IPv4(100,30,0,1), 101, 11, IPPROTO_TCP}, 2},
317 {{IPv4(211,0,0,0), IPv4(200,40,0,1), 102, 12, IPPROTO_TCP}, 3},
320 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
322 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
323 {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
324 101, 11, IPPROTO_TCP}, 0},
327 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
328 {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
329 102, 12, IPPROTO_TCP}, 1},
332 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
333 {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
334 101, 11, IPPROTO_TCP}, 2},
337 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
338 {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
339 102, 12, IPPROTO_TCP}, 3},
342 typedef struct rte_hash lookup_struct_t;
343 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
344 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
346 #ifdef RTE_ARCH_X86_64
347 /* default to 4 million hash entries (approx) */
348 #define L3FWD_HASH_ENTRIES 1024*1024*4
350 /* 32-bit has less address-space for hugepage memory, limit to 1M entries */
351 #define L3FWD_HASH_ENTRIES 1024*1024*1
353 #define HASH_ENTRY_NUMBER_DEFAULT 4
355 static uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
357 static inline uint32_t
358 ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len,
361 const union ipv4_5tuple_host *k;
367 p = (const uint32_t *)&k->port_src;
369 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
370 init_val = rte_hash_crc_4byte(t, init_val);
371 init_val = rte_hash_crc_4byte(k->ip_src, init_val);
372 init_val = rte_hash_crc_4byte(k->ip_dst, init_val);
373 init_val = rte_hash_crc_4byte(*p, init_val);
374 #else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
375 init_val = rte_jhash_1word(t, init_val);
376 init_val = rte_jhash_1word(k->ip_src, init_val);
377 init_val = rte_jhash_1word(k->ip_dst, init_val);
378 init_val = rte_jhash_1word(*p, init_val);
379 #endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
383 static inline uint32_t
384 ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len, uint32_t init_val)
386 const union ipv6_5tuple_host *k;
389 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
390 const uint32_t *ip_src0, *ip_src1, *ip_src2, *ip_src3;
391 const uint32_t *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3;
392 #endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
396 p = (const uint32_t *)&k->port_src;
398 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
399 ip_src0 = (const uint32_t *) k->ip_src;
400 ip_src1 = (const uint32_t *)(k->ip_src+4);
401 ip_src2 = (const uint32_t *)(k->ip_src+8);
402 ip_src3 = (const uint32_t *)(k->ip_src+12);
403 ip_dst0 = (const uint32_t *) k->ip_dst;
404 ip_dst1 = (const uint32_t *)(k->ip_dst+4);
405 ip_dst2 = (const uint32_t *)(k->ip_dst+8);
406 ip_dst3 = (const uint32_t *)(k->ip_dst+12);
407 init_val = rte_hash_crc_4byte(t, init_val);
408 init_val = rte_hash_crc_4byte(*ip_src0, init_val);
409 init_val = rte_hash_crc_4byte(*ip_src1, init_val);
410 init_val = rte_hash_crc_4byte(*ip_src2, init_val);
411 init_val = rte_hash_crc_4byte(*ip_src3, init_val);
412 init_val = rte_hash_crc_4byte(*ip_dst0, init_val);
413 init_val = rte_hash_crc_4byte(*ip_dst1, init_val);
414 init_val = rte_hash_crc_4byte(*ip_dst2, init_val);
415 init_val = rte_hash_crc_4byte(*ip_dst3, init_val);
416 init_val = rte_hash_crc_4byte(*p, init_val);
417 #else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
418 init_val = rte_jhash_1word(t, init_val);
419 init_val = rte_jhash(k->ip_src, sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
420 init_val = rte_jhash(k->ip_dst, sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
421 init_val = rte_jhash_1word(*p, init_val);
422 #endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
426 #define IPV4_L3FWD_NUM_ROUTES \
427 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
429 #define IPV6_L3FWD_NUM_ROUTES \
430 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
432 static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
433 static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
437 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
438 struct ipv4_l3fwd_route {
444 struct ipv6_l3fwd_route {
450 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
451 {IPv4(1,1,1,0), 24, 0},
452 {IPv4(2,1,1,0), 24, 1},
453 {IPv4(3,1,1,0), 24, 2},
454 {IPv4(4,1,1,0), 24, 3},
455 {IPv4(5,1,1,0), 24, 4},
456 {IPv4(6,1,1,0), 24, 5},
457 {IPv4(7,1,1,0), 24, 6},
458 {IPv4(8,1,1,0), 24, 7},
461 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
462 {{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 0},
463 {{2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 1},
464 {{3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 2},
465 {{4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 3},
466 {{5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 4},
467 {{6,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 5},
468 {{7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 6},
469 {{8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 7},
472 #define IPV4_L3FWD_NUM_ROUTES \
473 (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
474 #define IPV6_L3FWD_NUM_ROUTES \
475 (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
477 #define IPV4_L3FWD_LPM_MAX_RULES 1024
478 #define IPV6_L3FWD_LPM_MAX_RULES 1024
479 #define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
481 typedef struct rte_lpm lookup_struct_t;
482 typedef struct rte_lpm6 lookup6_struct_t;
483 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
484 static lookup6_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
489 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
490 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
491 struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
492 lookup_struct_t * ipv4_lookup_struct;
493 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
494 lookup6_struct_t * ipv6_lookup_struct;
496 lookup_struct_t * ipv6_lookup_struct;
498 } __rte_cache_aligned;
500 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
502 /* Send burst of packets on an output interface */
504 send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
506 struct rte_mbuf **m_table;
510 queueid = qconf->tx_queue_id[port];
511 m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
513 ret = rte_eth_tx_burst(port, queueid, m_table, n);
514 if (unlikely(ret < n)) {
516 rte_pktmbuf_free(m_table[ret]);
523 /* Enqueue a single packet, and send burst if queue is filled */
525 send_single_packet(struct rte_mbuf *m, uint8_t port)
529 struct lcore_conf *qconf;
531 lcore_id = rte_lcore_id();
533 qconf = &lcore_conf[lcore_id];
534 len = qconf->tx_mbufs[port].len;
535 qconf->tx_mbufs[port].m_table[len] = m;
538 /* enough pkts to be sent */
539 if (unlikely(len == MAX_PKT_BURST)) {
540 send_burst(qconf, MAX_PKT_BURST, port);
544 qconf->tx_mbufs[port].len = len;
548 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
549 static inline __attribute__((always_inline)) void
550 send_packetsx4(struct lcore_conf *qconf, uint8_t port,
551 struct rte_mbuf *m[], uint32_t num)
555 len = qconf->tx_mbufs[port].len;
558 * If TX buffer for that queue is empty, and we have enough packets,
559 * then send them straightway.
561 if (num >= MAX_TX_BURST && len == 0) {
562 n = rte_eth_tx_burst(port, qconf->tx_queue_id[port], m, num);
563 if (unlikely(n < num)) {
565 rte_pktmbuf_free(m[n]);
572 * Put packets into TX buffer for that queue.
576 n = (n > MAX_PKT_BURST) ? MAX_PKT_BURST - len : num;
579 switch (n % FWDSTEP) {
582 qconf->tx_mbufs[port].m_table[len + j] = m[j];
585 qconf->tx_mbufs[port].m_table[len + j] = m[j];
588 qconf->tx_mbufs[port].m_table[len + j] = m[j];
591 qconf->tx_mbufs[port].m_table[len + j] = m[j];
598 /* enough pkts to be sent */
599 if (unlikely(len == MAX_PKT_BURST)) {
601 send_burst(qconf, MAX_PKT_BURST, port);
603 /* copy rest of the packets into the TX buffer. */
606 switch (len % FWDSTEP) {
609 qconf->tx_mbufs[port].m_table[j] = m[n + j];
612 qconf->tx_mbufs[port].m_table[j] = m[n + j];
615 qconf->tx_mbufs[port].m_table[j] = m[n + j];
618 qconf->tx_mbufs[port].m_table[j] = m[n + j];
624 qconf->tx_mbufs[port].len = len;
626 #endif /* APP_LOOKUP_LPM */
628 #ifdef DO_RFC_1812_CHECKS
630 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
632 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
634 * 1. The packet length reported by the Link Layer must be large
635 * enough to hold the minimum length legal IP datagram (20 bytes).
637 if (link_len < sizeof(struct ipv4_hdr))
640 /* 2. The IP checksum must be correct. */
641 /* this is checked in H/W */
644 * 3. The IP version number must be 4. If the version number is not 4
645 * then the packet may be another version of IP, such as IPng or
648 if (((pkt->version_ihl) >> 4) != 4)
651 * 4. The IP header length field must be large enough to hold the
652 * minimum length legal IP datagram (20 bytes = 5 words).
654 if ((pkt->version_ihl & 0xf) < 5)
658 * 5. The IP total length field must be large enough to hold the IP
659 * datagram header, whose length is specified in the IP header length
662 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
669 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
671 static __m128i mask0;
672 static __m128i mask1;
673 static __m128i mask2;
674 static inline uint8_t
675 get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, lookup_struct_t * ipv4_l3fwd_lookup_struct)
678 union ipv4_5tuple_host key;
680 ipv4_hdr = (uint8_t *)ipv4_hdr + offsetof(struct ipv4_hdr, time_to_live);
681 __m128i data = _mm_loadu_si128((__m128i*)(ipv4_hdr));
682 /* Get 5 tuple: dst port, src port, dst IP address, src IP address and protocol */
683 key.xmm = _mm_and_si128(data, mask0);
684 /* Find destination port */
685 ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
686 return (uint8_t)((ret < 0)? portid : ipv4_l3fwd_out_if[ret]);
689 static inline uint8_t
690 get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, lookup_struct_t * ipv6_l3fwd_lookup_struct)
693 union ipv6_5tuple_host key;
695 ipv6_hdr = (uint8_t *)ipv6_hdr + offsetof(struct ipv6_hdr, payload_len);
696 __m128i data0 = _mm_loadu_si128((__m128i*)(ipv6_hdr));
697 __m128i data1 = _mm_loadu_si128((__m128i*)(((uint8_t*)ipv6_hdr)+sizeof(__m128i)));
698 __m128i data2 = _mm_loadu_si128((__m128i*)(((uint8_t*)ipv6_hdr)+sizeof(__m128i)+sizeof(__m128i)));
699 /* Get part of 5 tuple: src IP address lower 96 bits and protocol */
700 key.xmm[0] = _mm_and_si128(data0, mask1);
701 /* Get part of 5 tuple: dst IP address lower 96 bits and src IP address higher 32 bits */
703 /* Get part of 5 tuple: dst port and src port and dst IP address higher 32 bits */
704 key.xmm[2] = _mm_and_si128(data2, mask2);
706 /* Find destination port */
707 ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
708 return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
712 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
714 static inline uint8_t
715 get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, lookup_struct_t * ipv4_l3fwd_lookup_struct)
719 return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
720 rte_be_to_cpu_32(((struct ipv4_hdr *)ipv4_hdr)->dst_addr),
721 &next_hop) == 0) ? next_hop : portid);
724 static inline uint8_t
725 get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid, lookup6_struct_t * ipv6_l3fwd_lookup_struct)
728 return (uint8_t) ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct,
729 ((struct ipv6_hdr*)ipv6_hdr)->dst_addr, &next_hop) == 0)?
734 static inline void l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
735 struct lcore_conf *qconf) __attribute__((unused));
737 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) && \
738 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
740 #define MASK_ALL_PKTS 0xff
741 #define EXCLUDE_1ST_PKT 0xfe
742 #define EXCLUDE_2ND_PKT 0xfd
743 #define EXCLUDE_3RD_PKT 0xfb
744 #define EXCLUDE_4TH_PKT 0xf7
745 #define EXCLUDE_5TH_PKT 0xef
746 #define EXCLUDE_6TH_PKT 0xdf
747 #define EXCLUDE_7TH_PKT 0xbf
748 #define EXCLUDE_8TH_PKT 0x7f
751 simple_ipv4_fwd_8pkts(struct rte_mbuf *m[8], uint8_t portid, struct lcore_conf *qconf)
753 struct ether_hdr *eth_hdr[8];
754 struct ipv4_hdr *ipv4_hdr[8];
757 union ipv4_5tuple_host key[8];
760 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
761 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
762 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
763 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
764 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *);
765 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *);
766 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *);
767 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *);
769 /* Handle IPv4 headers.*/
770 ipv4_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv4_hdr *,
771 sizeof(struct ether_hdr));
772 ipv4_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv4_hdr *,
773 sizeof(struct ether_hdr));
774 ipv4_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv4_hdr *,
775 sizeof(struct ether_hdr));
776 ipv4_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv4_hdr *,
777 sizeof(struct ether_hdr));
778 ipv4_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv4_hdr *,
779 sizeof(struct ether_hdr));
780 ipv4_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv4_hdr *,
781 sizeof(struct ether_hdr));
782 ipv4_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv4_hdr *,
783 sizeof(struct ether_hdr));
784 ipv4_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv4_hdr *,
785 sizeof(struct ether_hdr));
787 #ifdef DO_RFC_1812_CHECKS
788 /* Check to make sure the packet is valid (RFC1812) */
789 uint8_t valid_mask = MASK_ALL_PKTS;
790 if (is_valid_ipv4_pkt(ipv4_hdr[0], m[0]->pkt_len) < 0) {
791 rte_pktmbuf_free(m[0]);
792 valid_mask &= EXCLUDE_1ST_PKT;
794 if (is_valid_ipv4_pkt(ipv4_hdr[1], m[1]->pkt_len) < 0) {
795 rte_pktmbuf_free(m[1]);
796 valid_mask &= EXCLUDE_2ND_PKT;
798 if (is_valid_ipv4_pkt(ipv4_hdr[2], m[2]->pkt_len) < 0) {
799 rte_pktmbuf_free(m[2]);
800 valid_mask &= EXCLUDE_3RD_PKT;
802 if (is_valid_ipv4_pkt(ipv4_hdr[3], m[3]->pkt_len) < 0) {
803 rte_pktmbuf_free(m[3]);
804 valid_mask &= EXCLUDE_4TH_PKT;
806 if (is_valid_ipv4_pkt(ipv4_hdr[4], m[4]->pkt_len) < 0) {
807 rte_pktmbuf_free(m[4]);
808 valid_mask &= EXCLUDE_5TH_PKT;
810 if (is_valid_ipv4_pkt(ipv4_hdr[5], m[5]->pkt_len) < 0) {
811 rte_pktmbuf_free(m[5]);
812 valid_mask &= EXCLUDE_6TH_PKT;
814 if (is_valid_ipv4_pkt(ipv4_hdr[6], m[6]->pkt_len) < 0) {
815 rte_pktmbuf_free(m[6]);
816 valid_mask &= EXCLUDE_7TH_PKT;
818 if (is_valid_ipv4_pkt(ipv4_hdr[7], m[7]->pkt_len) < 0) {
819 rte_pktmbuf_free(m[7]);
820 valid_mask &= EXCLUDE_8TH_PKT;
822 if (unlikely(valid_mask != MASK_ALL_PKTS)) {
823 if (valid_mask == 0){
827 for (i = 0; i < 8; i++) {
828 if ((0x1 << i) & valid_mask) {
829 l3fwd_simple_forward(m[i], portid, qconf);
835 #endif // End of #ifdef DO_RFC_1812_CHECKS
837 data[0] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[0], __m128i *,
838 sizeof(struct ether_hdr) +
839 offsetof(struct ipv4_hdr, time_to_live)));
840 data[1] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[1], __m128i *,
841 sizeof(struct ether_hdr) +
842 offsetof(struct ipv4_hdr, time_to_live)));
843 data[2] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[2], __m128i *,
844 sizeof(struct ether_hdr) +
845 offsetof(struct ipv4_hdr, time_to_live)));
846 data[3] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[3], __m128i *,
847 sizeof(struct ether_hdr) +
848 offsetof(struct ipv4_hdr, time_to_live)));
849 data[4] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[4], __m128i *,
850 sizeof(struct ether_hdr) +
851 offsetof(struct ipv4_hdr, time_to_live)));
852 data[5] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[5], __m128i *,
853 sizeof(struct ether_hdr) +
854 offsetof(struct ipv4_hdr, time_to_live)));
855 data[6] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[6], __m128i *,
856 sizeof(struct ether_hdr) +
857 offsetof(struct ipv4_hdr, time_to_live)));
858 data[7] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[7], __m128i *,
859 sizeof(struct ether_hdr) +
860 offsetof(struct ipv4_hdr, time_to_live)));
862 key[0].xmm = _mm_and_si128(data[0], mask0);
863 key[1].xmm = _mm_and_si128(data[1], mask0);
864 key[2].xmm = _mm_and_si128(data[2], mask0);
865 key[3].xmm = _mm_and_si128(data[3], mask0);
866 key[4].xmm = _mm_and_si128(data[4], mask0);
867 key[5].xmm = _mm_and_si128(data[5], mask0);
868 key[6].xmm = _mm_and_si128(data[6], mask0);
869 key[7].xmm = _mm_and_si128(data[7], mask0);
871 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
872 &key[4], &key[5], &key[6], &key[7]};
874 rte_hash_lookup_multi(qconf->ipv4_lookup_struct, &key_array[0], 8, ret);
875 dst_port[0] = (uint8_t) ((ret[0] < 0) ? portid : ipv4_l3fwd_out_if[ret[0]]);
876 dst_port[1] = (uint8_t) ((ret[1] < 0) ? portid : ipv4_l3fwd_out_if[ret[1]]);
877 dst_port[2] = (uint8_t) ((ret[2] < 0) ? portid : ipv4_l3fwd_out_if[ret[2]]);
878 dst_port[3] = (uint8_t) ((ret[3] < 0) ? portid : ipv4_l3fwd_out_if[ret[3]]);
879 dst_port[4] = (uint8_t) ((ret[4] < 0) ? portid : ipv4_l3fwd_out_if[ret[4]]);
880 dst_port[5] = (uint8_t) ((ret[5] < 0) ? portid : ipv4_l3fwd_out_if[ret[5]]);
881 dst_port[6] = (uint8_t) ((ret[6] < 0) ? portid : ipv4_l3fwd_out_if[ret[6]]);
882 dst_port[7] = (uint8_t) ((ret[7] < 0) ? portid : ipv4_l3fwd_out_if[ret[7]]);
884 if (dst_port[0] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[0]) == 0)
885 dst_port[0] = portid;
886 if (dst_port[1] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[1]) == 0)
887 dst_port[1] = portid;
888 if (dst_port[2] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[2]) == 0)
889 dst_port[2] = portid;
890 if (dst_port[3] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[3]) == 0)
891 dst_port[3] = portid;
892 if (dst_port[4] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[4]) == 0)
893 dst_port[4] = portid;
894 if (dst_port[5] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[5]) == 0)
895 dst_port[5] = portid;
896 if (dst_port[6] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[6]) == 0)
897 dst_port[6] = portid;
898 if (dst_port[7] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[7]) == 0)
899 dst_port[7] = portid;
901 #ifdef DO_RFC_1812_CHECKS
902 /* Update time to live and header checksum */
903 --(ipv4_hdr[0]->time_to_live);
904 --(ipv4_hdr[1]->time_to_live);
905 --(ipv4_hdr[2]->time_to_live);
906 --(ipv4_hdr[3]->time_to_live);
907 ++(ipv4_hdr[0]->hdr_checksum);
908 ++(ipv4_hdr[1]->hdr_checksum);
909 ++(ipv4_hdr[2]->hdr_checksum);
910 ++(ipv4_hdr[3]->hdr_checksum);
911 --(ipv4_hdr[4]->time_to_live);
912 --(ipv4_hdr[5]->time_to_live);
913 --(ipv4_hdr[6]->time_to_live);
914 --(ipv4_hdr[7]->time_to_live);
915 ++(ipv4_hdr[4]->hdr_checksum);
916 ++(ipv4_hdr[5]->hdr_checksum);
917 ++(ipv4_hdr[6]->hdr_checksum);
918 ++(ipv4_hdr[7]->hdr_checksum);
922 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
923 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
924 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
925 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
926 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
927 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
928 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
929 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
932 ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
933 ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
934 ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
935 ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
936 ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
937 ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
938 ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
939 ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
941 send_single_packet(m[0], (uint8_t)dst_port[0]);
942 send_single_packet(m[1], (uint8_t)dst_port[1]);
943 send_single_packet(m[2], (uint8_t)dst_port[2]);
944 send_single_packet(m[3], (uint8_t)dst_port[3]);
945 send_single_packet(m[4], (uint8_t)dst_port[4]);
946 send_single_packet(m[5], (uint8_t)dst_port[5]);
947 send_single_packet(m[6], (uint8_t)dst_port[6]);
948 send_single_packet(m[7], (uint8_t)dst_port[7]);
952 static inline void get_ipv6_5tuple(struct rte_mbuf* m0, __m128i mask0, __m128i mask1,
953 union ipv6_5tuple_host * key)
955 __m128i tmpdata0 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, __m128i *, sizeof(struct ether_hdr) + offsetof(struct ipv6_hdr, payload_len)));
956 __m128i tmpdata1 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, __m128i *, sizeof(struct ether_hdr) + offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i)));
957 __m128i tmpdata2 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0, __m128i *, sizeof(struct ether_hdr) + offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i) + sizeof(__m128i)));
958 key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
959 key->xmm[1] = tmpdata1;
960 key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
965 simple_ipv6_fwd_8pkts(struct rte_mbuf *m[8], uint8_t portid, struct lcore_conf *qconf)
967 struct ether_hdr *eth_hdr[8];
968 __attribute__((unused)) struct ipv6_hdr *ipv6_hdr[8];
971 union ipv6_5tuple_host key[8];
973 eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
974 eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
975 eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
976 eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
977 eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *);
978 eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *);
979 eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *);
980 eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *);
982 /* Handle IPv6 headers.*/
983 ipv6_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv6_hdr *,
984 sizeof(struct ether_hdr));
985 ipv6_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv6_hdr *,
986 sizeof(struct ether_hdr));
987 ipv6_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv6_hdr *,
988 sizeof(struct ether_hdr));
989 ipv6_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv6_hdr *,
990 sizeof(struct ether_hdr));
991 ipv6_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv6_hdr *,
992 sizeof(struct ether_hdr));
993 ipv6_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv6_hdr *,
994 sizeof(struct ether_hdr));
995 ipv6_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv6_hdr *,
996 sizeof(struct ether_hdr));
997 ipv6_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv6_hdr *,
998 sizeof(struct ether_hdr));
1000 get_ipv6_5tuple(m[0], mask1, mask2, &key[0]);
1001 get_ipv6_5tuple(m[1], mask1, mask2, &key[1]);
1002 get_ipv6_5tuple(m[2], mask1, mask2, &key[2]);
1003 get_ipv6_5tuple(m[3], mask1, mask2, &key[3]);
1004 get_ipv6_5tuple(m[4], mask1, mask2, &key[4]);
1005 get_ipv6_5tuple(m[5], mask1, mask2, &key[5]);
1006 get_ipv6_5tuple(m[6], mask1, mask2, &key[6]);
1007 get_ipv6_5tuple(m[7], mask1, mask2, &key[7]);
1009 const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
1010 &key[4], &key[5], &key[6], &key[7]};
1012 rte_hash_lookup_multi(qconf->ipv6_lookup_struct, &key_array[0], 8, ret);
1013 dst_port[0] = (uint8_t) ((ret[0] < 0) ? portid:ipv6_l3fwd_out_if[ret[0]]);
1014 dst_port[1] = (uint8_t) ((ret[1] < 0) ? portid:ipv6_l3fwd_out_if[ret[1]]);
1015 dst_port[2] = (uint8_t) ((ret[2] < 0) ? portid:ipv6_l3fwd_out_if[ret[2]]);
1016 dst_port[3] = (uint8_t) ((ret[3] < 0) ? portid:ipv6_l3fwd_out_if[ret[3]]);
1017 dst_port[4] = (uint8_t) ((ret[4] < 0) ? portid:ipv6_l3fwd_out_if[ret[4]]);
1018 dst_port[5] = (uint8_t) ((ret[5] < 0) ? portid:ipv6_l3fwd_out_if[ret[5]]);
1019 dst_port[6] = (uint8_t) ((ret[6] < 0) ? portid:ipv6_l3fwd_out_if[ret[6]]);
1020 dst_port[7] = (uint8_t) ((ret[7] < 0) ? portid:ipv6_l3fwd_out_if[ret[7]]);
1022 if (dst_port[0] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[0]) == 0)
1023 dst_port[0] = portid;
1024 if (dst_port[1] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[1]) == 0)
1025 dst_port[1] = portid;
1026 if (dst_port[2] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[2]) == 0)
1027 dst_port[2] = portid;
1028 if (dst_port[3] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[3]) == 0)
1029 dst_port[3] = portid;
1030 if (dst_port[4] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[4]) == 0)
1031 dst_port[4] = portid;
1032 if (dst_port[5] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[5]) == 0)
1033 dst_port[5] = portid;
1034 if (dst_port[6] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[6]) == 0)
1035 dst_port[6] = portid;
1036 if (dst_port[7] >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port[7]) == 0)
1037 dst_port[7] = portid;
1040 *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
1041 *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
1042 *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
1043 *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
1044 *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
1045 *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
1046 *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
1047 *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
1050 ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
1051 ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
1052 ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
1053 ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
1054 ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
1055 ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
1056 ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
1057 ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
1059 send_single_packet(m[0], (uint8_t)dst_port[0]);
1060 send_single_packet(m[1], (uint8_t)dst_port[1]);
1061 send_single_packet(m[2], (uint8_t)dst_port[2]);
1062 send_single_packet(m[3], (uint8_t)dst_port[3]);
1063 send_single_packet(m[4], (uint8_t)dst_port[4]);
1064 send_single_packet(m[5], (uint8_t)dst_port[5]);
1065 send_single_packet(m[6], (uint8_t)dst_port[6]);
1066 send_single_packet(m[7], (uint8_t)dst_port[7]);
1069 #endif /* APP_LOOKUP_METHOD */
1071 static inline __attribute__((always_inline)) void
1072 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid, struct lcore_conf *qconf)
1074 struct ether_hdr *eth_hdr;
1075 struct ipv4_hdr *ipv4_hdr;
1078 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
1080 if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
1081 /* Handle IPv4 headers.*/
1082 ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
1083 sizeof(struct ether_hdr));
1085 #ifdef DO_RFC_1812_CHECKS
1086 /* Check to make sure the packet is valid (RFC1812) */
1087 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
1088 rte_pktmbuf_free(m);
1093 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
1094 qconf->ipv4_lookup_struct);
1095 if (dst_port >= RTE_MAX_ETHPORTS ||
1096 (enabled_port_mask & 1 << dst_port) == 0)
1099 #ifdef DO_RFC_1812_CHECKS
1100 /* Update time to live and header checksum */
1101 --(ipv4_hdr->time_to_live);
1102 ++(ipv4_hdr->hdr_checksum);
1105 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
1108 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
1110 send_single_packet(m, dst_port);
1111 } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
1112 /* Handle IPv6 headers.*/
1113 struct ipv6_hdr *ipv6_hdr;
1115 ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
1116 sizeof(struct ether_hdr));
1118 dst_port = get_ipv6_dst_port(ipv6_hdr, portid, qconf->ipv6_lookup_struct);
1120 if (dst_port >= RTE_MAX_ETHPORTS || (enabled_port_mask & 1 << dst_port) == 0)
1124 *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
1127 ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
1129 send_single_packet(m, dst_port);
1131 /* Free the mbuf that contains non-IPV4/IPV6 packet */
1132 rte_pktmbuf_free(m);
1135 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
1136 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
1137 #ifdef DO_RFC_1812_CHECKS
1139 #define IPV4_MIN_VER_IHL 0x45
1140 #define IPV4_MAX_VER_IHL 0x4f
1141 #define IPV4_MAX_VER_IHL_DIFF (IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL)
1143 /* Minimum value of IPV4 total length (20B) in network byte order. */
1144 #define IPV4_MIN_LEN_BE (sizeof(struct ipv4_hdr) << 8)
1147 * From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2:
1148 * - The IP version number must be 4.
1149 * - The IP header length field must be large enough to hold the
1150 * minimum length legal IP datagram (20 bytes = 5 words).
1151 * - The IP total length field must be large enough to hold the IP
1152 * datagram header, whose length is specified in the IP header length
1154 * If we encounter invalid IPV4 packet, then set destination port for it
1155 * to BAD_PORT value.
1157 static inline __attribute__((always_inline)) void
1158 rfc1812_process(struct ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype)
1162 if (RTE_ETH_IS_IPV4_HDR(ptype)) {
1163 ihl = ipv4_hdr->version_ihl - IPV4_MIN_VER_IHL;
1165 ipv4_hdr->time_to_live--;
1166 ipv4_hdr->hdr_checksum++;
1168 if (ihl > IPV4_MAX_VER_IHL_DIFF ||
1169 ((uint8_t)ipv4_hdr->total_length == 0 &&
1170 ipv4_hdr->total_length < IPV4_MIN_LEN_BE)) {
1177 #define rfc1812_process(mb, dp) do { } while (0)
1178 #endif /* DO_RFC_1812_CHECKS */
1179 #endif /* APP_LOOKUP_LPM && ENABLE_MULTI_BUFFER_OPTIMIZE */
1182 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
1183 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
1185 static inline __attribute__((always_inline)) uint16_t
1186 get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
1187 uint32_t dst_ipv4, uint8_t portid)
1190 struct ipv6_hdr *ipv6_hdr;
1191 struct ether_hdr *eth_hdr;
1193 if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
1194 if (rte_lpm_lookup(qconf->ipv4_lookup_struct, dst_ipv4,
1197 } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
1198 eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
1199 ipv6_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
1200 if (rte_lpm6_lookup(qconf->ipv6_lookup_struct,
1201 ipv6_hdr->dst_addr, &next_hop) != 0)
1211 process_packet(struct lcore_conf *qconf, struct rte_mbuf *pkt,
1212 uint16_t *dst_port, uint8_t portid)
1214 struct ether_hdr *eth_hdr;
1215 struct ipv4_hdr *ipv4_hdr;
1220 eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
1221 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1223 dst_ipv4 = ipv4_hdr->dst_addr;
1224 dst_ipv4 = rte_be_to_cpu_32(dst_ipv4);
1225 dp = get_dst_port(qconf, pkt, dst_ipv4, portid);
1227 te = _mm_loadu_si128((__m128i *)eth_hdr);
1231 rfc1812_process(ipv4_hdr, dst_port, pkt->packet_type);
1233 te = _mm_blend_epi16(te, ve, MASK_ETH);
1234 _mm_storeu_si128((__m128i *)eth_hdr, te);
1238 * Read packet_type and destination IPV4 addresses from 4 mbufs.
1241 processx4_step1(struct rte_mbuf *pkt[FWDSTEP],
1243 uint32_t *ipv4_flag)
1245 struct ipv4_hdr *ipv4_hdr;
1246 struct ether_hdr *eth_hdr;
1247 uint32_t x0, x1, x2, x3;
1249 eth_hdr = rte_pktmbuf_mtod(pkt[0], struct ether_hdr *);
1250 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1251 x0 = ipv4_hdr->dst_addr;
1252 ipv4_flag[0] = pkt[0]->packet_type & RTE_PTYPE_L3_IPV4;
1254 eth_hdr = rte_pktmbuf_mtod(pkt[1], struct ether_hdr *);
1255 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1256 x1 = ipv4_hdr->dst_addr;
1257 ipv4_flag[0] &= pkt[1]->packet_type;
1259 eth_hdr = rte_pktmbuf_mtod(pkt[2], struct ether_hdr *);
1260 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1261 x2 = ipv4_hdr->dst_addr;
1262 ipv4_flag[0] &= pkt[2]->packet_type;
1264 eth_hdr = rte_pktmbuf_mtod(pkt[3], struct ether_hdr *);
1265 ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
1266 x3 = ipv4_hdr->dst_addr;
1267 ipv4_flag[0] &= pkt[3]->packet_type;
1269 dip[0] = _mm_set_epi32(x3, x2, x1, x0);
1273 * Lookup into LPM for destination port.
1274 * If lookup fails, use incoming port (portid) as destination port.
1277 processx4_step2(const struct lcore_conf *qconf,
1281 struct rte_mbuf *pkt[FWDSTEP],
1282 uint16_t dprt[FWDSTEP])
1285 const __m128i bswap_mask = _mm_set_epi8(12, 13, 14, 15, 8, 9, 10, 11,
1286 4, 5, 6, 7, 0, 1, 2, 3);
1288 /* Byte swap 4 IPV4 addresses. */
1289 dip = _mm_shuffle_epi8(dip, bswap_mask);
1291 /* if all 4 packets are IPV4. */
1292 if (likely(ipv4_flag)) {
1293 rte_lpm_lookupx4(qconf->ipv4_lookup_struct, dip, dprt, portid);
1296 dprt[0] = get_dst_port(qconf, pkt[0], dst.u32[0], portid);
1297 dprt[1] = get_dst_port(qconf, pkt[1], dst.u32[1], portid);
1298 dprt[2] = get_dst_port(qconf, pkt[2], dst.u32[2], portid);
1299 dprt[3] = get_dst_port(qconf, pkt[3], dst.u32[3], portid);
1304 * Update source and destination MAC addresses in the ethernet header.
1305 * Perform RFC1812 checks and updates for IPV4 packets.
1308 processx4_step3(struct rte_mbuf *pkt[FWDSTEP], uint16_t dst_port[FWDSTEP])
1310 __m128i te[FWDSTEP];
1311 __m128i ve[FWDSTEP];
1312 __m128i *p[FWDSTEP];
1314 p[0] = rte_pktmbuf_mtod(pkt[0], __m128i *);
1315 p[1] = rte_pktmbuf_mtod(pkt[1], __m128i *);
1316 p[2] = rte_pktmbuf_mtod(pkt[2], __m128i *);
1317 p[3] = rte_pktmbuf_mtod(pkt[3], __m128i *);
1319 ve[0] = val_eth[dst_port[0]];
1320 te[0] = _mm_loadu_si128(p[0]);
1322 ve[1] = val_eth[dst_port[1]];
1323 te[1] = _mm_loadu_si128(p[1]);
1325 ve[2] = val_eth[dst_port[2]];
1326 te[2] = _mm_loadu_si128(p[2]);
1328 ve[3] = val_eth[dst_port[3]];
1329 te[3] = _mm_loadu_si128(p[3]);
1331 /* Update first 12 bytes, keep rest bytes intact. */
1332 te[0] = _mm_blend_epi16(te[0], ve[0], MASK_ETH);
1333 te[1] = _mm_blend_epi16(te[1], ve[1], MASK_ETH);
1334 te[2] = _mm_blend_epi16(te[2], ve[2], MASK_ETH);
1335 te[3] = _mm_blend_epi16(te[3], ve[3], MASK_ETH);
1337 _mm_storeu_si128(p[0], te[0]);
1338 _mm_storeu_si128(p[1], te[1]);
1339 _mm_storeu_si128(p[2], te[2]);
1340 _mm_storeu_si128(p[3], te[3]);
1342 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[0] + 1),
1343 &dst_port[0], pkt[0]->packet_type);
1344 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[1] + 1),
1345 &dst_port[1], pkt[1]->packet_type);
1346 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[2] + 1),
1347 &dst_port[2], pkt[2]->packet_type);
1348 rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[3] + 1),
1349 &dst_port[3], pkt[3]->packet_type);
1353 * We group consecutive packets with the same destionation port into one burst.
1354 * To avoid extra latency this is done together with some other packet
1355 * processing, but after we made a final decision about packet's destination.
1356 * To do this we maintain:
1357 * pnum - array of number of consecutive packets with the same dest port for
1358 * each packet in the input burst.
1359 * lp - pointer to the last updated element in the pnum.
1360 * dlp - dest port value lp corresponds to.
1363 #define GRPSZ (1 << FWDSTEP)
1364 #define GRPMSK (GRPSZ - 1)
1366 #define GROUP_PORT_STEP(dlp, dcp, lp, pn, idx) do { \
1367 if (likely((dlp) == (dcp)[(idx)])) { \
1370 (dlp) = (dcp)[idx]; \
1371 (lp) = (pn) + (idx); \
1377 * Group consecutive packets with the same destination port in bursts of 4.
1378 * Suppose we have array of destionation ports:
1379 * dst_port[] = {a, b, c, d,, e, ... }
1380 * dp1 should contain: <a, b, c, d>, dp2: <b, c, d, e>.
1381 * We doing 4 comparisions at once and the result is 4 bit mask.
1382 * This mask is used as an index into prebuild array of pnum values.
1384 static inline uint16_t *
1385 port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, __m128i dp1, __m128i dp2)
1387 static const struct {
1388 uint64_t pnum; /* prebuild 4 values for pnum[]. */
1389 int32_t idx; /* index for new last updated elemnet. */
1390 uint16_t lpv; /* add value to the last updated element. */
1393 /* 0: a != b, b != c, c != d, d != e */
1394 .pnum = UINT64_C(0x0001000100010001),
1399 /* 1: a == b, b != c, c != d, d != e */
1400 .pnum = UINT64_C(0x0001000100010002),
1405 /* 2: a != b, b == c, c != d, d != e */
1406 .pnum = UINT64_C(0x0001000100020001),
1411 /* 3: a == b, b == c, c != d, d != e */
1412 .pnum = UINT64_C(0x0001000100020003),
1417 /* 4: a != b, b != c, c == d, d != e */
1418 .pnum = UINT64_C(0x0001000200010001),
1423 /* 5: a == b, b != c, c == d, d != e */
1424 .pnum = UINT64_C(0x0001000200010002),
1429 /* 6: a != b, b == c, c == d, d != e */
1430 .pnum = UINT64_C(0x0001000200030001),
1435 /* 7: a == b, b == c, c == d, d != e */
1436 .pnum = UINT64_C(0x0001000200030004),
1441 /* 8: a != b, b != c, c != d, d == e */
1442 .pnum = UINT64_C(0x0002000100010001),
1447 /* 9: a == b, b != c, c != d, d == e */
1448 .pnum = UINT64_C(0x0002000100010002),
1453 /* 0xa: a != b, b == c, c != d, d == e */
1454 .pnum = UINT64_C(0x0002000100020001),
1459 /* 0xb: a == b, b == c, c != d, d == e */
1460 .pnum = UINT64_C(0x0002000100020003),
1465 /* 0xc: a != b, b != c, c == d, d == e */
1466 .pnum = UINT64_C(0x0002000300010001),
1471 /* 0xd: a == b, b != c, c == d, d == e */
1472 .pnum = UINT64_C(0x0002000300010002),
1477 /* 0xe: a != b, b == c, c == d, d == e */
1478 .pnum = UINT64_C(0x0002000300040001),
1483 /* 0xf: a == b, b == c, c == d, d == e */
1484 .pnum = UINT64_C(0x0002000300040005),
1491 uint16_t u16[FWDSTEP + 1];
1493 } *pnum = (void *)pn;
1497 dp1 = _mm_cmpeq_epi16(dp1, dp2);
1498 dp1 = _mm_unpacklo_epi16(dp1, dp1);
1499 v = _mm_movemask_ps((__m128)dp1);
1501 /* update last port counter. */
1502 lp[0] += gptbl[v].lpv;
1504 /* if dest port value has changed. */
1506 lp = pnum->u16 + gptbl[v].idx;
1508 pnum->u64 = gptbl[v].pnum;
1514 #endif /* APP_LOOKUP_METHOD */
1516 /* main processing loop */
1518 main_loop(__attribute__((unused)) void *dummy)
1520 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1522 uint64_t prev_tsc, diff_tsc, cur_tsc;
1524 uint8_t portid, queueid;
1525 struct lcore_conf *qconf;
1526 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
1527 US_PER_S * BURST_TX_DRAIN_US;
1529 #if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
1530 (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
1534 uint16_t dst_port[MAX_PKT_BURST];
1535 __m128i dip[MAX_PKT_BURST / FWDSTEP];
1536 uint32_t ipv4_flag[MAX_PKT_BURST / FWDSTEP];
1537 uint16_t pnum[MAX_PKT_BURST + 1];
1542 lcore_id = rte_lcore_id();
1543 qconf = &lcore_conf[lcore_id];
1545 if (qconf->n_rx_queue == 0) {
1546 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
1550 RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
1552 for (i = 0; i < qconf->n_rx_queue; i++) {
1554 portid = qconf->rx_queue_list[i].port_id;
1555 queueid = qconf->rx_queue_list[i].queue_id;
1556 RTE_LOG(INFO, L3FWD, " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n", lcore_id,
1560 while (!force_quit) {
1562 cur_tsc = rte_rdtsc();
1565 * TX burst queue drain
1567 diff_tsc = cur_tsc - prev_tsc;
1568 if (unlikely(diff_tsc > drain_tsc)) {
1571 * This could be optimized (use queueid instead of
1572 * portid), but it is not called so often
1574 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
1575 if (qconf->tx_mbufs[portid].len == 0)
1578 qconf->tx_mbufs[portid].len,
1580 qconf->tx_mbufs[portid].len = 0;
1587 * Read packet from RX queues
1589 for (i = 0; i < qconf->n_rx_queue; ++i) {
1590 portid = qconf->rx_queue_list[i].port_id;
1591 queueid = qconf->rx_queue_list[i].queue_id;
1592 nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
1597 #if (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)
1598 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1601 * Send nb_rx - nb_rx%8 packets
1604 int32_t n = RTE_ALIGN_FLOOR(nb_rx, 8);
1605 for (j = 0; j < n; j += 8) {
1607 pkts_burst[j]->packet_type &
1608 pkts_burst[j+1]->packet_type &
1609 pkts_burst[j+2]->packet_type &
1610 pkts_burst[j+3]->packet_type &
1611 pkts_burst[j+4]->packet_type &
1612 pkts_burst[j+5]->packet_type &
1613 pkts_burst[j+6]->packet_type &
1614 pkts_burst[j+7]->packet_type;
1615 if (pkt_type & RTE_PTYPE_L3_IPV4) {
1616 simple_ipv4_fwd_8pkts(
1617 &pkts_burst[j], portid, qconf);
1618 } else if (pkt_type &
1619 RTE_PTYPE_L3_IPV6) {
1620 simple_ipv6_fwd_8pkts(&pkts_burst[j],
1623 l3fwd_simple_forward(pkts_burst[j],
1625 l3fwd_simple_forward(pkts_burst[j+1],
1627 l3fwd_simple_forward(pkts_burst[j+2],
1629 l3fwd_simple_forward(pkts_burst[j+3],
1631 l3fwd_simple_forward(pkts_burst[j+4],
1633 l3fwd_simple_forward(pkts_burst[j+5],
1635 l3fwd_simple_forward(pkts_burst[j+6],
1637 l3fwd_simple_forward(pkts_burst[j+7],
1641 for (; j < nb_rx ; j++) {
1642 l3fwd_simple_forward(pkts_burst[j],
1646 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1648 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
1649 for (j = 0; j != k; j += FWDSTEP) {
1650 processx4_step1(&pkts_burst[j],
1652 &ipv4_flag[j / FWDSTEP]);
1655 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
1656 for (j = 0; j != k; j += FWDSTEP) {
1657 processx4_step2(qconf, dip[j / FWDSTEP],
1658 ipv4_flag[j / FWDSTEP], portid,
1659 &pkts_burst[j], &dst_port[j]);
1663 * Finish packet processing and group consecutive
1664 * packets with the same destination port.
1666 k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
1673 processx4_step3(pkts_burst, dst_port);
1675 /* dp1: <d[0], d[1], d[2], d[3], ... > */
1676 dp1 = _mm_loadu_si128((__m128i *)dst_port);
1678 for (j = FWDSTEP; j != k; j += FWDSTEP) {
1679 processx4_step3(&pkts_burst[j],
1684 * <d[j-3], d[j-2], d[j-1], d[j], ... >
1686 dp2 = _mm_loadu_si128((__m128i *)
1687 &dst_port[j - FWDSTEP + 1]);
1688 lp = port_groupx4(&pnum[j - FWDSTEP],
1693 * <d[j], d[j+1], d[j+2], d[j+3], ... >
1695 dp1 = _mm_srli_si128(dp2,
1697 sizeof(dst_port[0]));
1701 * dp2: <d[j-3], d[j-2], d[j-1], d[j-1], ... >
1703 dp2 = _mm_shufflelo_epi16(dp1, 0xf9);
1704 lp = port_groupx4(&pnum[j - FWDSTEP], lp,
1708 * remove values added by the last repeated
1712 dlp = dst_port[j - 1];
1714 /* set dlp and lp to the never used values. */
1716 lp = pnum + MAX_PKT_BURST;
1719 /* Process up to last 3 packets one by one. */
1720 switch (nb_rx % FWDSTEP) {
1722 process_packet(qconf, pkts_burst[j],
1723 dst_port + j, portid);
1724 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
1727 process_packet(qconf, pkts_burst[j],
1728 dst_port + j, portid);
1729 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
1732 process_packet(qconf, pkts_burst[j],
1733 dst_port + j, portid);
1734 GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
1739 * Send packets out, through destination port.
1740 * Consecuteve pacekts with the same destination port
1741 * are already grouped together.
1742 * If destination port for the packet equals BAD_PORT,
1743 * then free the packet without sending it out.
1745 for (j = 0; j < nb_rx; j += k) {
1753 if (likely(pn != BAD_PORT)) {
1754 send_packetsx4(qconf, pn,
1757 for (m = j; m != j + k; m++)
1758 rte_pktmbuf_free(pkts_burst[m]);
1762 #endif /* APP_LOOKUP_METHOD */
1763 #else /* ENABLE_MULTI_BUFFER_OPTIMIZE == 0 */
1765 /* Prefetch first packets */
1766 for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
1767 rte_prefetch0(rte_pktmbuf_mtod(
1768 pkts_burst[j], void *));
1771 /* Prefetch and forward already prefetched packets */
1772 for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1773 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1774 j + PREFETCH_OFFSET], void *));
1775 l3fwd_simple_forward(pkts_burst[j], portid,
1779 /* Forward remaining prefetched packets */
1780 for (; j < nb_rx; j++) {
1781 l3fwd_simple_forward(pkts_burst[j], portid,
1784 #endif /* ENABLE_MULTI_BUFFER_OPTIMIZE */
1793 check_lcore_params(void)
1795 uint8_t queue, lcore;
1799 for (i = 0; i < nb_lcore_params; ++i) {
1800 queue = lcore_params[i].queue_id;
1801 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1802 printf("invalid queue number: %hhu\n", queue);
1805 lcore = lcore_params[i].lcore_id;
1806 if (!rte_lcore_is_enabled(lcore)) {
1807 printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
1810 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1812 printf("warning: lcore %hhu is on socket %d with numa off \n",
1820 check_port_config(const unsigned nb_ports)
1825 for (i = 0; i < nb_lcore_params; ++i) {
1826 portid = lcore_params[i].port_id;
1827 if ((enabled_port_mask & (1 << portid)) == 0) {
1828 printf("port %u is not enabled in port mask\n", portid);
1831 if (portid >= nb_ports) {
1832 printf("port %u is not present on the board\n", portid);
1840 get_port_n_rx_queues(const uint8_t port)
1845 for (i = 0; i < nb_lcore_params; ++i) {
1846 if (lcore_params[i].port_id == port && lcore_params[i].queue_id > queue)
1847 queue = lcore_params[i].queue_id;
1849 return (uint8_t)(++queue);
1853 init_lcore_rx_queues(void)
1855 uint16_t i, nb_rx_queue;
1858 for (i = 0; i < nb_lcore_params; ++i) {
1859 lcore = lcore_params[i].lcore_id;
1860 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1861 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1862 printf("error: too many queues (%u) for lcore: %u\n",
1863 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1866 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1867 lcore_params[i].port_id;
1868 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1869 lcore_params[i].queue_id;
1870 lcore_conf[lcore].n_rx_queue++;
1878 print_usage(const char *prgname)
1880 printf ("%s [EAL options] -- -p PORTMASK -P"
1881 " [--config (port,queue,lcore)[,(port,queue,lcore]]"
1882 " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1883 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1884 " -P : enable promiscuous mode\n"
1885 " --config (port,queue,lcore): rx queues configuration\n"
1886 " --eth-dest=X,MM:MM:MM:MM:MM:MM: optional, ethernet destination for port X\n"
1887 " --no-numa: optional, disable numa awareness\n"
1888 " --ipv6: optional, specify it if running ipv6 packets\n"
1889 " --enable-jumbo: enable jumbo frame"
1890 " which max packet len is PKTLEN in decimal (64-9600)\n"
1891 " --hash-entry-num: specify the hash entry number in hexadecimal to be setup\n",
1895 static int parse_max_pkt_len(const char *pktlen)
1900 /* parse decimal string */
1901 len = strtoul(pktlen, &end, 10);
1902 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1912 parse_portmask(const char *portmask)
1917 /* parse hexadecimal string */
1918 pm = strtoul(portmask, &end, 16);
1919 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1928 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1930 parse_hash_entry_number(const char *hash_entry_num)
1933 unsigned long hash_en;
1934 /* parse hexadecimal string */
1935 hash_en = strtoul(hash_entry_num, &end, 16);
1936 if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
1947 parse_config(const char *q_arg)
1950 const char *p, *p0 = q_arg;
1958 unsigned long int_fld[_NUM_FLD];
1959 char *str_fld[_NUM_FLD];
1963 nb_lcore_params = 0;
1965 while ((p = strchr(p0,'(')) != NULL) {
1967 if((p0 = strchr(p,')')) == NULL)
1971 if(size >= sizeof(s))
1974 snprintf(s, sizeof(s), "%.*s", size, p);
1975 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
1977 for (i = 0; i < _NUM_FLD; i++){
1979 int_fld[i] = strtoul(str_fld[i], &end, 0);
1980 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
1983 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1984 printf("exceeded max number of lcore params: %hu\n",
1988 lcore_params_array[nb_lcore_params].port_id = (uint8_t)int_fld[FLD_PORT];
1989 lcore_params_array[nb_lcore_params].queue_id = (uint8_t)int_fld[FLD_QUEUE];
1990 lcore_params_array[nb_lcore_params].lcore_id = (uint8_t)int_fld[FLD_LCORE];
1993 lcore_params = lcore_params_array;
1998 parse_eth_dest(const char *optarg)
2002 uint8_t c, *dest, peer_addr[6];
2005 portid = strtoul(optarg, &port_end, 10);
2006 if (errno != 0 || port_end == optarg || *port_end++ != ',')
2007 rte_exit(EXIT_FAILURE,
2008 "Invalid eth-dest: %s", optarg);
2009 if (portid >= RTE_MAX_ETHPORTS)
2010 rte_exit(EXIT_FAILURE,
2011 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
2012 portid, RTE_MAX_ETHPORTS);
2014 if (cmdline_parse_etheraddr(NULL, port_end,
2015 &peer_addr, sizeof(peer_addr)) < 0)
2016 rte_exit(EXIT_FAILURE,
2017 "Invalid ethernet address: %s\n",
2019 dest = (uint8_t *)&dest_eth_addr[portid];
2020 for (c = 0; c < 6; c++)
2021 dest[c] = peer_addr[c];
2022 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
2025 #define CMD_LINE_OPT_CONFIG "config"
2026 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
2027 #define CMD_LINE_OPT_NO_NUMA "no-numa"
2028 #define CMD_LINE_OPT_IPV6 "ipv6"
2029 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
2030 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
2032 /* Parse the argument given in the command line of the application */
2034 parse_args(int argc, char **argv)
2039 char *prgname = argv[0];
2040 static struct option lgopts[] = {
2041 {CMD_LINE_OPT_CONFIG, 1, 0, 0},
2042 {CMD_LINE_OPT_ETH_DEST, 1, 0, 0},
2043 {CMD_LINE_OPT_NO_NUMA, 0, 0, 0},
2044 {CMD_LINE_OPT_IPV6, 0, 0, 0},
2045 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0},
2046 {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0},
2052 while ((opt = getopt_long(argc, argvopt, "p:P",
2053 lgopts, &option_index)) != EOF) {
2058 enabled_port_mask = parse_portmask(optarg);
2059 if (enabled_port_mask == 0) {
2060 printf("invalid portmask\n");
2061 print_usage(prgname);
2066 printf("Promiscuous mode selected\n");
2072 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_CONFIG,
2073 sizeof (CMD_LINE_OPT_CONFIG))) {
2074 ret = parse_config(optarg);
2076 printf("invalid config\n");
2077 print_usage(prgname);
2082 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ETH_DEST,
2083 sizeof(CMD_LINE_OPT_ETH_DEST))) {
2084 parse_eth_dest(optarg);
2087 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_NUMA,
2088 sizeof(CMD_LINE_OPT_NO_NUMA))) {
2089 printf("numa is disabled \n");
2093 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2094 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_IPV6,
2095 sizeof(CMD_LINE_OPT_IPV6))) {
2096 printf("ipv6 is specified \n");
2101 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ENABLE_JUMBO,
2102 sizeof (CMD_LINE_OPT_ENABLE_JUMBO))) {
2103 struct option lenopts = {"max-pkt-len", required_argument, 0, 0};
2105 printf("jumbo frame is enabled - disabling simple TX path\n");
2106 port_conf.rxmode.jumbo_frame = 1;
2108 /* if no max-pkt-len set, use the default value ETHER_MAX_LEN */
2109 if (0 == getopt_long(argc, argvopt, "", &lenopts, &option_index)) {
2110 ret = parse_max_pkt_len(optarg);
2111 if ((ret < 64) || (ret > MAX_JUMBO_PKT_LEN)){
2112 printf("invalid packet length\n");
2113 print_usage(prgname);
2116 port_conf.rxmode.max_rx_pkt_len = ret;
2118 printf("set jumbo frame max packet length to %u\n",
2119 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
2121 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2122 if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_HASH_ENTRY_NUM,
2123 sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) {
2124 ret = parse_hash_entry_number(optarg);
2125 if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
2126 hash_entry_number = ret;
2128 printf("invalid hash entry number\n");
2129 print_usage(prgname);
2137 print_usage(prgname);
2143 argv[optind-1] = prgname;
2146 optind = 0; /* reset getopt lib */
2151 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
2153 char buf[ETHER_ADDR_FMT_SIZE];
2154 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
2155 printf("%s%s", name, buf);
2158 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2160 static void convert_ipv4_5tuple(struct ipv4_5tuple* key1,
2161 union ipv4_5tuple_host* key2)
2163 key2->ip_dst = rte_cpu_to_be_32(key1->ip_dst);
2164 key2->ip_src = rte_cpu_to_be_32(key1->ip_src);
2165 key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
2166 key2->port_src = rte_cpu_to_be_16(key1->port_src);
2167 key2->proto = key1->proto;
2173 static void convert_ipv6_5tuple(struct ipv6_5tuple* key1,
2174 union ipv6_5tuple_host* key2)
2177 for (i = 0; i < 16; i++)
2179 key2->ip_dst[i] = key1->ip_dst[i];
2180 key2->ip_src[i] = key1->ip_src[i];
2182 key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
2183 key2->port_src = rte_cpu_to_be_16(key1->port_src);
2184 key2->proto = key1->proto;
2191 #define BYTE_VALUE_MAX 256
2192 #define ALL_32_BITS 0xffffffff
2193 #define BIT_8_TO_15 0x0000ff00
2195 populate_ipv4_few_flow_into_table(const struct rte_hash* h)
2199 uint32_t array_len = sizeof(ipv4_l3fwd_route_array)/sizeof(ipv4_l3fwd_route_array[0]);
2201 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
2202 for (i = 0; i < array_len; i++) {
2203 struct ipv4_l3fwd_route entry;
2204 union ipv4_5tuple_host newkey;
2205 entry = ipv4_l3fwd_route_array[i];
2206 convert_ipv4_5tuple(&entry.key, &newkey);
2207 ret = rte_hash_add_key (h,(void *) &newkey);
2209 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
2210 " to the l3fwd hash.\n", i);
2212 ipv4_l3fwd_out_if[ret] = entry.if_out;
2214 printf("Hash: Adding 0x%" PRIx32 " keys\n", array_len);
2217 #define BIT_16_TO_23 0x00ff0000
2219 populate_ipv6_few_flow_into_table(const struct rte_hash* h)
2223 uint32_t array_len = sizeof(ipv6_l3fwd_route_array)/sizeof(ipv6_l3fwd_route_array[0]);
2225 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
2226 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
2227 for (i = 0; i < array_len; i++) {
2228 struct ipv6_l3fwd_route entry;
2229 union ipv6_5tuple_host newkey;
2230 entry = ipv6_l3fwd_route_array[i];
2231 convert_ipv6_5tuple(&entry.key, &newkey);
2232 ret = rte_hash_add_key (h, (void *) &newkey);
2234 rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
2235 " to the l3fwd hash.\n", i);
2237 ipv6_l3fwd_out_if[ret] = entry.if_out;
2239 printf("Hash: Adding 0x%" PRIx32 "keys\n", array_len);
2242 #define NUMBER_PORT_USED 4
2244 populate_ipv4_many_flow_into_table(const struct rte_hash* h,
2245 unsigned int nr_flow)
2248 mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
2249 for (i = 0; i < nr_flow; i++) {
2250 struct ipv4_l3fwd_route entry;
2251 union ipv4_5tuple_host newkey;
2252 uint8_t a = (uint8_t) ((i/NUMBER_PORT_USED)%BYTE_VALUE_MAX);
2253 uint8_t b = (uint8_t) (((i/NUMBER_PORT_USED)/BYTE_VALUE_MAX)%BYTE_VALUE_MAX);
2254 uint8_t c = (uint8_t) ((i/NUMBER_PORT_USED)/(BYTE_VALUE_MAX*BYTE_VALUE_MAX));
2255 /* Create the ipv4 exact match flow */
2256 memset(&entry, 0, sizeof(entry));
2257 switch (i & (NUMBER_PORT_USED -1)) {
2259 entry = ipv4_l3fwd_route_array[0];
2260 entry.key.ip_dst = IPv4(101,c,b,a);
2263 entry = ipv4_l3fwd_route_array[1];
2264 entry.key.ip_dst = IPv4(201,c,b,a);
2267 entry = ipv4_l3fwd_route_array[2];
2268 entry.key.ip_dst = IPv4(111,c,b,a);
2271 entry = ipv4_l3fwd_route_array[3];
2272 entry.key.ip_dst = IPv4(211,c,b,a);
2275 convert_ipv4_5tuple(&entry.key, &newkey);
2276 int32_t ret = rte_hash_add_key(h,(void *) &newkey);
2278 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
2280 ipv4_l3fwd_out_if[ret] = (uint8_t) entry.if_out;
2283 printf("Hash: Adding 0x%x keys\n", nr_flow);
2287 populate_ipv6_many_flow_into_table(const struct rte_hash* h,
2288 unsigned int nr_flow)
2291 mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
2292 mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
2293 for (i = 0; i < nr_flow; i++) {
2294 struct ipv6_l3fwd_route entry;
2295 union ipv6_5tuple_host newkey;
2296 uint8_t a = (uint8_t) ((i/NUMBER_PORT_USED)%BYTE_VALUE_MAX);
2297 uint8_t b = (uint8_t) (((i/NUMBER_PORT_USED)/BYTE_VALUE_MAX)%BYTE_VALUE_MAX);
2298 uint8_t c = (uint8_t) ((i/NUMBER_PORT_USED)/(BYTE_VALUE_MAX*BYTE_VALUE_MAX));
2299 /* Create the ipv6 exact match flow */
2300 memset(&entry, 0, sizeof(entry));
2301 switch (i & (NUMBER_PORT_USED - 1)) {
2302 case 0: entry = ipv6_l3fwd_route_array[0]; break;
2303 case 1: entry = ipv6_l3fwd_route_array[1]; break;
2304 case 2: entry = ipv6_l3fwd_route_array[2]; break;
2305 case 3: entry = ipv6_l3fwd_route_array[3]; break;
2307 entry.key.ip_dst[13] = c;
2308 entry.key.ip_dst[14] = b;
2309 entry.key.ip_dst[15] = a;
2310 convert_ipv6_5tuple(&entry.key, &newkey);
2311 int32_t ret = rte_hash_add_key(h,(void *) &newkey);
2313 rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
2315 ipv6_l3fwd_out_if[ret] = (uint8_t) entry.if_out;
2318 printf("Hash: Adding 0x%x keys\n", nr_flow);
2322 setup_hash(int socketid)
2324 struct rte_hash_parameters ipv4_l3fwd_hash_params = {
2326 .entries = L3FWD_HASH_ENTRIES,
2327 .key_len = sizeof(union ipv4_5tuple_host),
2328 .hash_func = ipv4_hash_crc,
2329 .hash_func_init_val = 0,
2332 struct rte_hash_parameters ipv6_l3fwd_hash_params = {
2334 .entries = L3FWD_HASH_ENTRIES,
2335 .key_len = sizeof(union ipv6_5tuple_host),
2336 .hash_func = ipv6_hash_crc,
2337 .hash_func_init_val = 0,
2342 /* create ipv4 hash */
2343 snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
2344 ipv4_l3fwd_hash_params.name = s;
2345 ipv4_l3fwd_hash_params.socket_id = socketid;
2346 ipv4_l3fwd_lookup_struct[socketid] = rte_hash_create(&ipv4_l3fwd_hash_params);
2347 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
2348 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
2349 "socket %d\n", socketid);
2351 /* create ipv6 hash */
2352 snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
2353 ipv6_l3fwd_hash_params.name = s;
2354 ipv6_l3fwd_hash_params.socket_id = socketid;
2355 ipv6_l3fwd_lookup_struct[socketid] = rte_hash_create(&ipv6_l3fwd_hash_params);
2356 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
2357 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
2358 "socket %d\n", socketid);
2360 if (hash_entry_number != HASH_ENTRY_NUMBER_DEFAULT) {
2361 /* For testing hash matching with a large number of flows we
2362 * generate millions of IP 5-tuples with an incremented dst
2363 * address to initialize the hash table. */
2365 /* populate the ipv4 hash */
2366 populate_ipv4_many_flow_into_table(
2367 ipv4_l3fwd_lookup_struct[socketid], hash_entry_number);
2369 /* populate the ipv6 hash */
2370 populate_ipv6_many_flow_into_table(
2371 ipv6_l3fwd_lookup_struct[socketid], hash_entry_number);
2374 /* Use data in ipv4/ipv6 l3fwd lookup table directly to initialize the hash table */
2376 /* populate the ipv4 hash */
2377 populate_ipv4_few_flow_into_table(ipv4_l3fwd_lookup_struct[socketid]);
2379 /* populate the ipv6 hash */
2380 populate_ipv6_few_flow_into_table(ipv6_l3fwd_lookup_struct[socketid]);
2386 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
2388 setup_lpm(int socketid)
2390 struct rte_lpm6_config config;
2395 /* create the LPM table */
2396 snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
2397 ipv4_l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
2398 IPV4_L3FWD_LPM_MAX_RULES, 0);
2399 if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
2400 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
2401 " on socket %d\n", socketid);
2403 /* populate the LPM table */
2404 for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
2406 /* skip unused ports */
2407 if ((1 << ipv4_l3fwd_route_array[i].if_out &
2408 enabled_port_mask) == 0)
2411 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
2412 ipv4_l3fwd_route_array[i].ip,
2413 ipv4_l3fwd_route_array[i].depth,
2414 ipv4_l3fwd_route_array[i].if_out);
2417 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
2418 "l3fwd LPM table on socket %d\n",
2422 printf("LPM: Adding route 0x%08x / %d (%d)\n",
2423 (unsigned)ipv4_l3fwd_route_array[i].ip,
2424 ipv4_l3fwd_route_array[i].depth,
2425 ipv4_l3fwd_route_array[i].if_out);
2428 /* create the LPM6 table */
2429 snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
2431 config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
2432 config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
2434 ipv6_l3fwd_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
2436 if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
2437 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
2438 " on socket %d\n", socketid);
2440 /* populate the LPM table */
2441 for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
2443 /* skip unused ports */
2444 if ((1 << ipv6_l3fwd_route_array[i].if_out &
2445 enabled_port_mask) == 0)
2448 ret = rte_lpm6_add(ipv6_l3fwd_lookup_struct[socketid],
2449 ipv6_l3fwd_route_array[i].ip,
2450 ipv6_l3fwd_route_array[i].depth,
2451 ipv6_l3fwd_route_array[i].if_out);
2454 rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
2455 "l3fwd LPM table on socket %d\n",
2459 printf("LPM: Adding route %s / %d (%d)\n",
2461 ipv6_l3fwd_route_array[i].depth,
2462 ipv6_l3fwd_route_array[i].if_out);
2468 init_mem(unsigned nb_mbuf)
2470 struct lcore_conf *qconf;
2475 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2476 if (rte_lcore_is_enabled(lcore_id) == 0)
2480 socketid = rte_lcore_to_socket_id(lcore_id);
2484 if (socketid >= NB_SOCKETS) {
2485 rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is out of range %d\n",
2486 socketid, lcore_id, NB_SOCKETS);
2488 if (pktmbuf_pool[socketid] == NULL) {
2489 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
2490 pktmbuf_pool[socketid] =
2491 rte_pktmbuf_pool_create(s, nb_mbuf,
2492 MEMPOOL_CACHE_SIZE, 0,
2493 RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
2494 if (pktmbuf_pool[socketid] == NULL)
2495 rte_exit(EXIT_FAILURE,
2496 "Cannot init mbuf pool on socket %d\n", socketid);
2498 printf("Allocated mbuf pool on socket %d\n", socketid);
2500 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
2501 setup_lpm(socketid);
2503 setup_hash(socketid);
2506 qconf = &lcore_conf[lcore_id];
2507 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
2508 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
2513 /* Check the link status of all ports in up to 9s, and print them finally */
2515 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
2517 #define CHECK_INTERVAL 100 /* 100ms */
2518 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
2519 uint8_t portid, count, all_ports_up, print_flag = 0;
2520 struct rte_eth_link link;
2522 printf("\nChecking link status");
2524 for (count = 0; count <= MAX_CHECK_TIME; count++) {
2528 for (portid = 0; portid < port_num; portid++) {
2531 if ((port_mask & (1 << portid)) == 0)
2533 memset(&link, 0, sizeof(link));
2534 rte_eth_link_get_nowait(portid, &link);
2535 /* print link status if flag set */
2536 if (print_flag == 1) {
2537 if (link.link_status)
2538 printf("Port %d Link Up - speed %u "
2539 "Mbps - %s\n", (uint8_t)portid,
2540 (unsigned)link.link_speed,
2541 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
2542 ("full-duplex") : ("half-duplex\n"));
2544 printf("Port %d Link Down\n",
2548 /* clear all_ports_up flag if any link down */
2549 if (link.link_status == 0) {
2554 /* after finally printing all link status, get out */
2555 if (print_flag == 1)
2558 if (all_ports_up == 0) {
2561 rte_delay_ms(CHECK_INTERVAL);
2564 /* set the print_flag if all ports up or timeout */
2565 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
2573 signal_handler(int signum)
2575 if (signum == SIGINT || signum == SIGTERM) {
2576 printf("\n\nSignal %d received, preparing to exit...\n",
2583 main(int argc, char **argv)
2585 struct lcore_conf *qconf;
2586 struct rte_eth_dev_info dev_info;
2587 struct rte_eth_txconf *txconf;
2592 uint32_t n_tx_queue, nb_lcores;
2593 uint8_t portid, nb_rx_queue, queue, socketid;
2596 ret = rte_eal_init(argc, argv);
2598 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
2603 signal(SIGINT, signal_handler);
2604 signal(SIGTERM, signal_handler);
2606 /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
2607 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
2608 dest_eth_addr[portid] = ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
2609 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
2612 /* parse application arguments (after the EAL ones) */
2613 ret = parse_args(argc, argv);
2615 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
2617 if (check_lcore_params() < 0)
2618 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
2620 ret = init_lcore_rx_queues();
2622 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
2624 nb_ports = rte_eth_dev_count();
2625 if (nb_ports > RTE_MAX_ETHPORTS)
2626 nb_ports = RTE_MAX_ETHPORTS;
2628 if (check_port_config(nb_ports) < 0)
2629 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
2631 nb_lcores = rte_lcore_count();
2633 /* initialize all ports */
2634 for (portid = 0; portid < nb_ports; portid++) {
2635 /* skip ports that are not enabled */
2636 if ((enabled_port_mask & (1 << portid)) == 0) {
2637 printf("\nSkipping disabled port %d\n", portid);
2642 printf("Initializing port %d ... ", portid );
2645 nb_rx_queue = get_port_n_rx_queues(portid);
2646 n_tx_queue = nb_lcores;
2647 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
2648 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
2649 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
2650 nb_rx_queue, (unsigned)n_tx_queue );
2651 ret = rte_eth_dev_configure(portid, nb_rx_queue,
2652 (uint16_t)n_tx_queue, &port_conf);
2654 rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n",
2657 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
2658 print_ethaddr(" Address:", &ports_eth_addr[portid]);
2660 print_ethaddr("Destination:",
2661 (const struct ether_addr *)&dest_eth_addr[portid]);
2665 * prepare src MACs for each port.
2667 ether_addr_copy(&ports_eth_addr[portid],
2668 (struct ether_addr *)(val_eth + portid) + 1);
2671 ret = init_mem(NB_MBUF);
2673 rte_exit(EXIT_FAILURE, "init_mem failed\n");
2675 /* init one TX queue per couple (lcore,port) */
2677 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2678 if (rte_lcore_is_enabled(lcore_id) == 0)
2682 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id);
2686 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
2689 rte_eth_dev_info_get(portid, &dev_info);
2690 txconf = &dev_info.default_txconf;
2691 if (port_conf.rxmode.jumbo_frame)
2692 txconf->txq_flags = 0;
2693 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
2696 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
2697 "port=%d\n", ret, portid);
2699 qconf = &lcore_conf[lcore_id];
2700 qconf->tx_queue_id[portid] = queueid;
2706 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2707 if (rte_lcore_is_enabled(lcore_id) == 0)
2709 qconf = &lcore_conf[lcore_id];
2710 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
2712 /* init RX queues */
2713 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
2714 portid = qconf->rx_queue_list[queue].port_id;
2715 queueid = qconf->rx_queue_list[queue].queue_id;
2718 socketid = (uint8_t)rte_lcore_to_socket_id(lcore_id);
2722 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
2725 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
2728 pktmbuf_pool[socketid]);
2730 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d,"
2731 "port=%d\n", ret, portid);
2738 for (portid = 0; portid < nb_ports; portid++) {
2739 if ((enabled_port_mask & (1 << portid)) == 0) {
2743 ret = rte_eth_dev_start(portid);
2745 rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
2749 * If enabled, put device in promiscuous mode.
2750 * This allows IO forwarding mode to forward packets
2751 * to itself through 2 cross-connected ports of the
2755 rte_eth_promiscuous_enable(portid);
2758 check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
2761 /* launch per-lcore init on every lcore */
2762 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
2763 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2764 if (rte_eal_wait_lcore(lcore_id) < 0) {
2771 for (portid = 0; portid < nb_ports; portid++) {
2772 if ((enabled_port_mask & (1 << portid)) == 0)
2774 printf("Closing port %d...", portid);
2775 rte_eth_dev_stop(portid);
2776 rte_eth_dev_close(portid);